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GEOMATRIX <br /> • Aquifer pumping test for Simplot's backup production well located just northeast of <br /> the lined ponds. <br /> Field monitoring of groundwater data will include: <br /> Constituent Method <br /> Electrical Conductance Field Meter <br /> pH Field Meter <br /> Temperature Field Meter <br /> Dissolved Oxygen Field Meter <br /> Oxidation-Reduction Potential Field Meter <br /> Dissolved solids analysis will include the following laboratory analyses: <br /> Constituent Method <br /> TDS EPA 160.1 <br /> Ammonia(as nitrogen) EPA 350.1 <br /> Bicarbonate & Carbonate EPA 2320B <br /> Calcium EPA 200.7 <br /> Chloride EPA 300 <br /> Magnesium EPA 200.7 <br /> Nitrate(as nitrogen) EPA 300 <br /> Phosphate EPA 365 <br /> Sodium EPA 200.7 <br /> Sulfate EPA 300 <br /> In addition to the laboratory analyses of dissolved solids, groundwater samples will be analyzed <br /> by the laboratory for Occidental's organic COCl and potential natural attenuation parameters, <br /> assuming sufficient sample volumes are available: <br /> 1:\6000s\6741.0001,4rchive\6741-13.doe 7 <br />